Home / 3,157.35-4,356.84-3,051.24

Finding the Fourth Proportional to 3,157.35, 4,356.84 and 3,051.24

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Solution

The fourth proportional to 3,157.35, 4,356.84 and 3,051.24 is: 4,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.35 : 4,356.84 = 3,051.24 : x
  2. Step 2: Convert to fraction form
    3,157.35/4,356.84 = 3,051.24/x
  3. Step 3: Cross multiply
    3,157.35x = 4,356.84 × 3,051.24
  4. Step 4: Simplify right side
    3,157.35x = 13,293,736.70
  5. Step 5: Solve for x
    x = 13,293,736.70/3,157.35
  6. Step 6: Final answer
    x = 4,210.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.